Request Camera permission before launching the external Camera app (#1395)

features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/user/editprofile/EditUserProfilePresenter.kt

@@ -39,6 +39,8 @@ import io.element.android.libraries.matrix.api.user.MatrixUser
 import io.element.android.libraries.matrix.ui.media.AvatarAction
 import io.element.android.libraries.mediapickers.api.PickerProvider
 import io.element.android.libraries.mediaupload.api.MediaPreProcessor
+import io.element.android.libraries.permissions.api.PermissionsEvents
+import io.element.android.libraries.permissions.api.PermissionsPresenter
 import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.launch
@@ -49,8 +51,11 @@ class EditUserProfilePresenter @AssistedInject constructor(
     private val matrixClient: MatrixClient,
     private val mediaPickerProvider: PickerProvider,
     private val mediaPreProcessor: MediaPreProcessor,
+    permissionsPresenterFactory: PermissionsPresenter.Factory,
 ) : Presenter<EditUserProfileState> {
 
+    private val cameraPermissionPresenter: PermissionsPresenter = permissionsPresenterFactory.create(android.Manifest.permission.CAMERA)
+
     @AssistedFactory
     interface Factory {
         fun create(matrixUser: MatrixUser): EditUserProfilePresenter
@@ -58,6 +63,7 @@ class EditUserProfilePresenter @AssistedInject constructor(
 
     @Composable
     override fun present(): EditUserProfileState {
+        val cameraPermissionState = cameraPermissionPresenter.present()
         var userAvatarUri by rememberSaveable { mutableStateOf(matrixUser.avatarUrl?.let { Uri.parse(it) }) }
         var userDisplayName by rememberSaveable { mutableStateOf(matrixUser.displayName) }
         val cameraPhotoPicker = mediaPickerProvider.registerCameraPhotoPicker(
@@ -85,7 +91,11 @@ class EditUserProfilePresenter @AssistedInject constructor(
                 is EditUserProfileEvents.HandleAvatarAction -> {
                     when (event.action) {
                         AvatarAction.ChoosePhoto -> galleryImagePicker.launch()
-                        AvatarAction.TakePhoto -> cameraPhotoPicker.launch()
+                        AvatarAction.TakePhoto -> if (cameraPermissionState.permissionGranted) {
+                            cameraPhotoPicker.launch()
+                        } else {
+                            cameraPermissionState.eventSink.invoke(PermissionsEvents.OpenSystemDialog)
+                        }
                         AvatarAction.Remove -> userAvatarUri = null
                     }
                 }
@@ -108,6 +118,7 @@ class EditUserProfilePresenter @AssistedInject constructor(
             avatarActions = avatarActions,
             saveButtonEnabled = canSave && saveAction.value !is Async.Loading,
             saveAction = saveAction.value,
+            cameraPermissionState = cameraPermissionState,
             eventSink = { handleEvents(it) },
         )
     }

features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/user/editprofile/EditUserProfileState.kt

@@ -20,6 +20,7 @@ import android.net.Uri
 import io.element.android.libraries.architecture.Async
 import io.element.android.libraries.matrix.api.core.UserId
 import io.element.android.libraries.matrix.ui.media.AvatarAction
+import io.element.android.libraries.permissions.api.PermissionsState
 import kotlinx.collections.immutable.ImmutableList
 
 data class EditUserProfileState(
@@ -29,5 +30,6 @@ data class EditUserProfileState(
     val avatarActions: ImmutableList<AvatarAction>,
     val saveButtonEnabled: Boolean,
     val saveAction: Async<Unit>,
+    val cameraPermissionState: PermissionsState,
     val eventSink: (EditUserProfileEvents) -> Unit
 )

features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/user/editprofile/EditUserProfileStateProvider.kt

@@ -19,6 +19,7 @@ package io.element.android.features.preferences.impl.user.editprofile
 import androidx.compose.ui.tooling.preview.PreviewParameterProvider
 import io.element.android.libraries.architecture.Async
 import io.element.android.libraries.matrix.api.core.UserId
+import io.element.android.libraries.permissions.api.aPermissionsState
 import kotlinx.collections.immutable.persistentListOf
 
 open class EditUserProfileStateProvider : PreviewParameterProvider<EditUserProfileState> {
@@ -36,5 +37,6 @@ fun aEditUserProfileState() = EditUserProfileState(
     avatarActions = persistentListOf(),
     saveAction = Async.Uninitialized,
     saveButtonEnabled = true,
+    cameraPermissionState = aPermissionsState(showDialog = false),
     eventSink = {}
 )

features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/user/editprofile/EditUserProfileView.kt

@@ -58,6 +58,7 @@ import io.element.android.libraries.designsystem.theme.components.TextButton
 import io.element.android.libraries.designsystem.theme.components.TopAppBar
 import io.element.android.libraries.matrix.ui.components.AvatarActionBottomSheet
 import io.element.android.libraries.matrix.ui.components.EditableAvatarView
+import io.element.android.libraries.permissions.api.PermissionsView
 import io.element.android.libraries.theme.ElementTheme
 import io.element.android.libraries.ui.strings.CommonStrings
 import kotlinx.coroutines.launch
@@ -168,6 +169,7 @@ fun EditUserProfileView(
             else -> Unit
         }
     }
+    PermissionsView(state = state.cameraPermissionState)
 }
 
 private fun Modifier.clearFocusOnTap(focusManager: FocusManager): Modifier =

features/preferences/impl/src/test/kotlin/io/element/android/features/preferences/impl/user/editprofile/EditUserProfilePresenterTest.kt

@@ -32,6 +32,8 @@ import io.element.android.libraries.matrix.ui.media.AvatarAction
 import io.element.android.libraries.mediapickers.test.FakePickerProvider
 import io.element.android.libraries.mediaupload.api.MediaUploadInfo
 import io.element.android.libraries.mediaupload.test.FakeMediaPreProcessor
+import io.element.android.libraries.permissions.api.PermissionsPresenter
+import io.element.android.libraries.permissions.test.FakePermissionsPresenter
 import io.element.android.tests.testutils.WarmUpRule
 import io.element.android.tests.testutils.consumeItemsUntilPredicate
 import io.mockk.every
@@ -78,12 +80,18 @@ class EditUserProfilePresenterTest {
     private fun createEditUserProfilePresenter(
         matrixClient: MatrixClient = FakeMatrixClient(),
         matrixUser: MatrixUser = aMatrixUser(),
+        permissionsPresenter: PermissionsPresenter = FakePermissionsPresenter(),
     ): EditUserProfilePresenter {
         return EditUserProfilePresenter(
             matrixClient = matrixClient,
             matrixUser = matrixUser,
             mediaPickerProvider = fakePickerProvider,
             mediaPreProcessor = fakeMediaPreProcessor,
+            permissionsPresenterFactory = object : PermissionsPresenter.Factory {
+                override fun create(permission: String): PermissionsPresenter {
+                    return permissionsPresenter
+                }
+            },
         )
     }
 
@@ -157,13 +165,21 @@ class EditUserProfilePresenterTest {
     fun `present - obtains avatar uris from camera`() = runTest {
         val user = aMatrixUser(id = A_USER_ID.value, displayName = "Name", avatarUrl = AN_AVATAR_URL)
         fakePickerProvider.givenResult(anotherAvatarUri)
-        val presenter = createEditUserProfilePresenter(matrixUser = user)
+        val fakePermissionsPresenter = FakePermissionsPresenter()
+        val presenter = createEditUserProfilePresenter(
+            matrixUser = user,
+            permissionsPresenter = fakePermissionsPresenter,
+        )
         moleculeFlow(RecompositionMode.Immediate) {
             presenter.present()
         }.test {
             val initialState = awaitItem()
             assertThat(initialState.userAvatarUrl).isEqualTo(userAvatarUri)
-            initialState.eventSink(EditUserProfileEvents.HandleAvatarAction(AvatarAction.TakePhoto))
+            assertThat(initialState.cameraPermissionState.permissionGranted).isFalse()
+            fakePermissionsPresenter.setPermissionGranted()
+            val stateWithPermission = awaitItem()
+            assertThat(stateWithPermission.cameraPermissionState.permissionGranted).isTrue()
+            stateWithPermission.eventSink(EditUserProfileEvents.HandleAvatarAction(AvatarAction.TakePhoto))
             awaitItem().apply {
                 assertThat(userAvatarUrl).isEqualTo(anotherAvatarUri)
             }